3821076

Information

• Patent Grant
• 3821076

• References
• Source

• Patent Number

  3,821,076

• Date Filed

  Not available

• Date Issued

  Friday, June 28, 1974
  50 years ago

• CPC

  • D21F1/60 - Cylinder moulds
  • D21F9/003 - of the twin-wire type

• US Classifications

  • 162 - Paper making and fiber liberation
  • 210 - Liquid purification or separation
  • 492 - Roll or roller